From the a brain waves %a (the percentage of the total sum power spectra of the entire frequency bandwidth) and changes in the scores of the abbreviated version of the MMS (Multiple Mood Scale) used to assess short-term changes in emotional state, it was found that healing music reduced stress to a significant degree. On the other hand , from the changes in beat-to-beat systolic blood pressure and pulse rate, no definitive effects were observed , which can be attributed to the artistry of the music and a subject's individual traits . Even under such limited test conditions, these findings suggest the possibility of clinical applications for healing music to reduce the stress of young healthy subjects exposed to hospital noise .